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52 lines
2.0 KiB
52 lines
2.0 KiB
-- If you experience errors on the next line,
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-- that means that you did not install lua-pam.
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-- Run install_luapam.sh from the various-scripts directory.
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local pam = require('pam')
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local naughty = require("naughty")
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local function check_password(pw,username)
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local function conversation(messages)
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local responses = {}
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for i, message in ipairs(messages) do
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local msg_style, msg = message[1], message[2]
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if msg_style == pam.PROMPT_ECHO_OFF then
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-- Assume PAM asks us for the password
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print("PAM Message: ",msg)
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responses[i] = {pw, 0}
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elseif msg_style == pam.PROMPT_ECHO_ON then
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-- Assume PAM asks us for the username
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print("PAM Message: ",msg)
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responses[i] = {username or os.getenv("USER"), 0}
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elseif msg_style == pam.ERROR_MSG then
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print("PAM Error: ",msg)
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responses[i] = {"", 0}
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elseif msg_style == pam.TEXT_INFO then
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print("PAM Info message: ",msg)
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responses[i] = {"", 0}
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else
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print("Unsupported conversation message style for PAM: " .. msg_style)
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print("PAM Message: ",msg)
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end
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end
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return responses
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end
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local handler,err = pam.start("system-auth", nil, {conversation, nil})
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if not handler then
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naughty.notify({title="PAM session start error: ",text=err,bg="#AA0000"})
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print("PAM session start error: ",err)
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return false
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end
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local auth,err = pam.authenticate(handler)
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if not auth then
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print("PAM authentication error: ",err)
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return false
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end
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local s_end,err = pam.endx(handler, pam.SUCCESS)
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if not s_end then
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naughty.notify({title="PAM session end error: ",text=err,bg="#AA0000"})
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print("PAM session end error: ",err)
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return false
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end
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return true
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end
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return check_password
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